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4820-00-789-5621

Find complete technical information, availability, and procurement data for: 4820-00-789-5621

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4820-00-789-5621
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-789-5621
Item Name Code
05485
Assigment Date
01/01/1962 (64 years ago)

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity), if given, of the output is greater than plus or minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, and the like, shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see resistor, adjustable. For items with step by step variation, see rheostat and resistor, step by step. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see attenuator, variable. Excludes:resistor (1), variable, wire wound, nonprecision; resistor (1), variable, nonwire wound precision; and resistor (1), variable, wire wound, precision.

inside screw bonnet type, integral bonnet attachment method, 3a 2nd end thread class, stem flow control device, right-hand all ends thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a 2nd end
Thread Direction
right-hand all ends
Flow Control Device
stem
Bonnet Type
inside screw
Bonnet Attachment Method
integral
Connection Style
inverted flare (tube) 2nd end
Connection Style
plain (pipe) 1st end
Valve Operation Method
manual
Connection Type
threaded external pipe 1st end
Connection Type
threaded external tube 2nd end
Features Provided
bonnet packing
Nominal Thread Size
0.250 inches 1st end
Nominal Thread Size
0.562 inches 2nd end
Seat Angle
37.0 degrees 2nd end
Material
copper alloy body
Material
steel corrosion resisting stem
Media For Which Designed
oxygen, gaseous single response
Style Designator
straight thru
Thread Series Designator
npt 1st end
Thread Series Designator
unf 2nd end

Related Parts

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Part Number Name
801-0257 Globe Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-00-789-5621?
The FSCG of the NSN 4820-00-789-5621 is 4820
Does NSN 4820-00-789-5621 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4820-00-789-5621 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-789-5621 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-00-789-5621 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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